summaryrefslogtreecommitdiff
path: root/ext/tk/lib/tkextlib/vu/charts.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/tk/lib/tkextlib/vu/charts.rb')
-rw-r--r--ext/tk/lib/tkextlib/vu/charts.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/tk/lib/tkextlib/vu/charts.rb b/ext/tk/lib/tkextlib/vu/charts.rb
index 8569ac5541..66d5cfd394 100644
--- a/ext/tk/lib/tkextlib/vu/charts.rb
+++ b/ext/tk/lib/tkextlib/vu/charts.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#
# charts -- Create and manipulate canvas Add-On Items
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)